ATMEGA64-16MUR Atmel, ATMEGA64-16MUR Datasheet - Page 31
ATMEGA64-16MUR
Manufacturer Part Number
ATMEGA64-16MUR
Description
MCU AVR 64KB FLASH 16MHZ 64QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64-16MUR
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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2490Q–AVR–06/10
Figure 15. External Data Memory Cycles with SRWn1 = 1 and SRWn0 = 0
Note:
Figure 16. External Data Memory Cycles with SRWn1 = 1 and SRWn0 = 1
Note:
System Clock (CLK
System Clock (CLK
1. SRWn1 = SRW11 (upper sector) or SRW01 (lower sector), SRWn0 = SRW10 (upper sector) or
1. SRWn1 = SRW11 (upper sector) or SRW01 (lower sector), SRWn0 = SRW10 (upper sector) or
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 1)
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 1)
SRW00 (lower sector).
The ALE pulse in period T6 is only present if the next instruction accesses the RAM (internal
or external).
SRW00 (lower sector).
The ALE pulse in period T7 is only present if the next instruction accesses the RAM (internal
or external).
DA7:0
A15:8
DA7:0
A15:8
CPU
ALE
WR
CPU
RD
ALE
WR
RD
)
)
Prev. Addr.
Prev. Data
Prev. Data
Prev. Data
Prev. Addr.
Prev. Data
Prev. Data
Prev. Data
T1
T1
Address
Address
Address
Address
Address
T2
Address
T2
XX
XX
Data
Address
T3
Data
Data
Address
T3
Data
Data
Data
T4
T4
T5
T5
ATmega64(L)
T6
(1)
(1)
T6
T7
31
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